Sharepoint 清單中 附件檔案擷取

SPSite site=new SPSite(url);

SPWeb web=site.OpenWeb();

    SPList olist = web.Lists["最新通知"];

SPList nlist= web.Lists["最新通知New"];
                 SPListItem nitem = null;
                foreach (SPListItem oitem in olist.Items)
                {
                    string title = oitem["标題"].ToString();

                          nitem = nlist.Items.Add();   //将附件内容存儲到最新通知New中
                          nitem["标題"] = oitem["标題"];
                         nitem["正文"] = oitem["正文"];

                        if (oitem.Attachments != null)
                        {

                             SPAttachmentCollection attach = oitem.Attachments;
                            for (int i = 0; i < attach.Count; i++)
                            {
                                 String url = attach.UrlPrefix + attach[i];
                                 Console.WriteLine("正在下載下傳{0}", url);
                                 SPFile file = web.GetFile(url);
                                byte[] content = file.OpenBinary();
                                 nitem.Attachments.Add(oitem.Attachments[i].ToString(), content);
                             }

                         }
                         nitem.Update();

                  }
           

http://hi.baidu.com/shuijingwld9/blog/item/a3b4bdb6cd5a58f230add152.html